HP XP Racks - Manual (Page 243)

Table 81 Required route list (4x4x4 Cascade configuration) (continued)
Route list needed in Business Continuity Manager Remote site
condition Intermediate site
condition Primary site
condition Host on which Business
Continuity Manager is
started
Remote
→ Intermediate
Usable Usable Unusable
None Usable Unusable Unusable
Legend:
Usable: The target site can be used.
Unusable: The target site cannot be used because of an error.
# This is required for the Continuous Access Synchronous Z Consistency Preservation
Function.
The following table describes how to prepare the configuration files at each site.
Table 82 How to Prepare Configuration Files at Each Site (4x4x4 Cascade)
How to prepare Contents File type
At the remote site At the intermediate
site At the primary site
Transfer from the
primary site. Transfer from the
primary site. Perform a local scan. The primary site configuration Disk configuration
definition file
Transfer from the
intermediate site. Perform a Local Scan. Transfer from the
intermediate site. The intermediate site configuration
Perform a Local Scan. Transfer from the
remote site. Transfer from the
remote site. The remote site configuration
Not required Not required Define a path set. A Primary
→ Intermediate
inter-control unit logical path
Path set definition
file
Not required Define a path set. Not required •
An Intermediate
→ Primary
inter-control unit logical path
•
An Intermediate
→ Remote
inter-disk controller logical path
Define a path set. Not required Not required A Remote
→ Intermediate inter-disk
controller logical path
Not required Not required Define a route list. A Primary
→ Intermediate → Remote
route/command device
Route list
definition
file/command
Not required Define a route list. Not required •
An Intermediate
→ Primary
route/command device
device definition
file
•
An Intermediate
→ Remote
route/command device
Define a route list. Not required Not required A Remote
→ Intermediate → Primary
route/command device
Transfer from the
primary site. Transfer from the
primary site. Define a copy group. A Continuous Access Synchronous
Z copy group Copy group
definition file
Define a copy group. A Continuous Access Journal Z copy
group
Definition procedure (4x4x4 Cascade)
Basically, a 4x4x4 Cascade configuration is defined with the following procedure.
Defining a 4x4x4 Cascade Configuration 243